.
Thread 5 (Thread 0x7fea24def640 (LWP 3581)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007fea2b0306bc in g_cond_wait_until () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fea2afb13e1 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea2afb1566 in g_async_queue_timeout_pop () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fea2b013759 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fea2b010a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fea2aad2b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140734621234576, -2599622529977416684, 140643617666624, 11, 140643715065936, 140734621234928, 2609836709161468948, 2609867110831752212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#7  0x00007fea2ab64a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 4 (Thread 0x7fea255f0640 (LWP 3580)):
#0  0x00007fea2ab56d7f in __GI___poll (fds=0x55a3d5725980, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007fea2b036646 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fea2afdf3e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea255fc33d in  () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fea2b010a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fea2aad2b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140734621233584, -2599622529977416684, 140643626059328, 17, 140643715065936, 140734621233936, 2609840008233223188, 2609867110831752212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fea2ab64a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 3 (Thread 0x7fea2663b640 (LWP 3578)):
#0  0x00007fea2ab56d7f in __GI___poll (fds=0x55a3d56d77c0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007fea2b036646 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fea2afdf3e3 in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fea2afdf431 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fea2b010a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fea2aad2b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140734621232928, -2599622529977416684, 140643643143744, 0, 140643715065936, 140734621233280, 2609842384960750612, 2609867110831752212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fea2ab64a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 2 (Thread 0x7fea25e3a640 (LWP 3579)):
#0  futex_wait (private=0, expected=2, futex_word=0x7fea2ac57c80 <main_arena>) at ../sysdeps/nptl/futex-internal.h:146
        __ret = 0
        err = <optimized out>
#1  __GI___lll_lock_wait_private (futex=futex@entry=0x7fea2ac57c80 <main_arena>) at ./nptl/lowlevellock.c:34
#2  0x00007fea2aae3c70 in __GI___libc_realloc (oldmem=0x55a3d743d0b0, bytes=24) at ./malloc/malloc.c:3492
        __futex = 0x7fea2ac57c80 <main_arena>
        ar_ptr = 0x7fea2ac57c80 <main_arena>
        nb = 32
        newp = <optimized out>
        oldp = 0x55a3d743d0a0
        oldsize = 80
        __PRETTY_FUNCTION__ = "__libc_realloc"
#3  0x00007fea2afead80 in g_realloc () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fea2b028170 in g_variant_builder_end () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fea2aef8247 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fea2aec2a4c in g_dbus_message_new_from_blob () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#7  0x00007fea2aed0e35 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#8  0x00007fea2ae65e09 in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#9  0x00007fea2ae65e4d in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#10 0x00007fea2afe1c44 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007fea2b0366a8 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007fea2afe12b3 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007fea2aec8eca in  () at /lib/x86_64-linux-gnu/libgio-2.0.so.0
#14 0x00007fea2b010a51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fea2aad2b43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140734621233216, -2599622529977416684, 140643634751040, 11, 140643715065936, 140734621233568, 2609839085888996372, 2609867110831752212}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#16 0x00007fea2ab64a00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81
.
Thread 1 (Thread 0x7fea274e52c0 (LWP 3577)):
#0  0x00007fea29e94e87 in  () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#1  0x00007fea29e959d0 in  () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#2  0x00007fea29e96633 in  () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#3  0x00007fea29e96a62 in sqlite3WalBeginReadTransaction () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#4  0x00007fea29e49b2e in sqlite3PagerSharedLock () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#5  0x00007fea29dcccf8 in sqlite3BtreeBeginTrans () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#6  0x00007fea29e84364 in sqlite3VdbeExec () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#7  0x00007fea29e8f85f in sqlite3_step () at /lib/x86_64-linux-gnu/libsqlite3.so.0
#8  0x00007fea2ad056a9 in  () at /lib/x86_64-linux-gnu/libtracker-sparql-3.0.so.0
#9  0x00007fea2accd400 in  () at /lib/x86_64-linux-gnu/libtracker-sparql-3.0.so.0
#10 0x00007fea2acc07e7 in  () at /lib/x86_64-linux-gnu/libtracker-sparql-3.0.so.0
#11 0x00007fea2ad76e71 in g_object_run_dispose () at /lib/x86_64-linux-gnu/libgobject-2.0.so.0
#12 0x00007fea2ad087fd in  () at /lib/x86_64-linux-gnu/libtracker-sparql-3.0.so.0
#13 0x000055a3d37c1625 in main ()